My wifi is not working on my iphone

hi my name is chevaughn My wifi is not working when i upgrade my iphone

Read this http://support.apple.com/kb/ts1398

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Wifi is not working in my iphone 4s after upgrading its ios to ios 7.. now i want to downgrade it back to ios 6.1.3.. is it possible to do it and if yes then HOW?? Please help

wifi is not working on 4s after upgrading its ios version.. please help me, what to do???

thanks, but what if i restore my iphone using itunes, will it help me? actually i brought this phone from australia and now i am using it in india and it is factory unlocked.. so if i restore it to factory setting then shall i have to go through factory unlock process again or my phone will stay activated for indian telecom network?

My internet and WiFi is not working on my iPhone.

The internet and WiFi on my phone is not working. I can't check my email, use safari, or use my apps. I have turned the data and WiFi off then on again. I have full reception for both also. I cannot turn my phone off, then on again because my lock button does not work. Does anyone know how I can fix this problem?

Return to the US, make a Genius Bar appointment and do an out-of-warranty replacement for $199 USD.

My iPhone 3S will not allow me to upgrade. I can't download any apps and when I connected my iPhone to iTunes and tried to upgrade it, it said it was already updated. On top of that, WiFi does not work with my iPhone. What do I do to fix this?

My dad got this iPhone for me a few months ago as a gift since I had a really awful phone before. The only thing is, I can't seem to upgrade it to the latest software without it telling me it's already updated to iOS 4 or something like that. (I would be able to give you the exact iOS version, but ever since connecting my iPhone to iTunes, my phone isn't responding so I can't check the settings or anything.) I can't download any apps (I get an error message saying the software on my phone is too old) and so I pretty much am extremely limited to what I can do on this phone. I'm very frustrated at this point and incredibly displeased with Apple's products.
If someone could please explain to me why this is happening and what I can do to fix it, I'd be extremely grateful.
Thanks.

What iPhone do you have? You can check in settings>>general>> about.
If you have a 3G you cannot update beyond iOS 4.2.1. The 3G is over 4 years old an was discontinued over 2 1/2 years ago. You need the latest ios to run the latest versions of some apps. If you have a 3GS you can update.
If your phone is not responding, reset it by pressing and holding down both the home button ad lock/ sleep button simultaneously until the Apple logo appears.

My wifi is not working on my iPhone 4s I think it's the wifi chip

My iPhone 4s has no wifi this has happend to me 3 times what should I do

Hi there Bradley1411,
You may find the troubleshooting steps in the article below helpful.
iOS: Troubleshooting Wi-Fi networks and connections
http://support.apple.com/kb/TS1398
-Griff W.

TS4062 My Iphone won't appear in my devices in Itune.... And the WiFi does not work on my phone.... I seems like there is no solution to update my phone to the new ios on my computer or WiFi without using the 3g because of this!!! help me out

My Iphone won't appear in my devices in Itune.... And the WiFi does not work on my phone.... I seems like there is no solution to update my phone to the new ios on my computer or WiFi without using the 3g because of this!!! help me out

Hello there, TempestBelcher.
It seems you've covered all the bases, but feel free to review the iPhone Troubleshooting Assistant for connectivity here:
Apple - Support - iPhone - Calls Troubleshooting Assistant
http://www.apple.com/support/iphone/assistant/calls/#section_0
If you've followed all the instructions then there are a few good recommendations for what to do next in the last step.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro D.

Wifi Sync not working on iOS 6 and iTunes 10.7 with iPhone 4S

I am running Windows 7 64-bit but WiFi Sync is not working on either my iPhone 4S or my wife's iPhone 4S. Worked fine before upgrading. All settings look correct in iTunes 10.7 and on our iPhones 4S's. Already tried uninstalling iTunes and all associated Apple programs (Bonjour, Apple Mobile Device Support, Apple Application Support, etc) and reinstalling iTunes but no help. Temporarily disabling Norton Firewall did not help. If I hook up either of our two 4S phones via USB wire, they Sync and Backup fine. Just WiFi Sync not working. Can't initiate sync from iPhones because button is ghosted stating it is waiting for PC to be present. Phones don't show up under Devices in iTunes unless hard-wired via USB cable. Any suggestions?

I am getting sync issues too (although on OSX) - seems like others are getting issues too:
https://discussions.apple.com/message/19834721#19834721
Good luck,
Chris

My iPHONE 5 wifi is NOT working when am 3 feet away from router while my iPhone 4s has full signal all the time.Please help.

My iPHONE 5 wifi is NOT working when am 3 feet away from router while my iPhone 4s has full signal all the time.Please help.

The problem would seem to be in the firewall in your router. Have you tried disabling it? I assume you've updated the router firmware, right? Consider bypassing the ISP provided router (using it as a modem only) and unsing another device such as an Aiport Express.

Downloaded yosemite continuity is not working with my iPhone 6. Both on same wifi network and iCloud account.. not sure how to set it up any help is appreciated

downloaded yosemite continuity is not working with my iPhone 6. Both on same wifi network and iCloud account.. not sure how to set it up any help is appreciated

Connect your iPhone, iPad, iPod touch, and Mac using Continuity

TS1559 hi can anyone help my iphone 4s wifi is not working it is grayed out or dim but the is a wifi address on the about menu.

hi can anyone help my iphone 4s wifi is not working it is grayed out or dim but the is a wifi address on the about menu.

hello Masonti
I am not computer expert it happen to me. I think it is not working for a touch on/ off so you have to push using your finger and hold and open to the right (like when you open a door). That worked for me I call it mannual opening. I did not get any help so I figured out the hard way.Let me know but I am for sure
yeee haa

My wifi is not working. It has no indication. I am living in Indonesia but I bought my iphone from apple online store. Can anyone help me how to fix my problem?

My wifi is not working. It has no indication. I am living in Indonesia but I bought my iphone from apple online store. Can anyone help me how to fix my problem?

The No Service means there is a problem with cellular service. You mention wifi in your title. Which is it you are having trouble with? What happens when you switch on and off as you state in your post? Are you saying that wifi does not connect while at home either?

HT201407 iphone 4 update complete asking me to follow few more steps and connect to wifi. Now my wifi is not working how to resolve this problem

iphone 4 update complete asking me to follow few more steps and connect to wifi. Now my wifi is not working how to resolve this problem

what happens when yu try to connect to wifi?

I am using Iphone 4S and did the ios upgrade to ios7. after this, wifi is not working. Can any one support what could be the issue.

I am using Iphone 4S. two days before i upgraded to IOS 7 and after this wifi is not working. Any one can help. Mani

Follow the steps in the article below:
http://support.apple.com/kb/ts1559
If after all steps the issue remains then book an appointment at an Apple Stor to have the iPhone evlauated and possibly replaced.

How much iphone 4s wifi chip cost?Still my 4s wifi is not working even though I already updated it to ios7. Thank You!!!..

How much iphone 4s wifi chip cost?Still my 4s wifi is not working even though I already updated it to ios7. Thank You!!!..

You cannot replace just the chip. If all of the various solutions suggested in Apple's support documents and here in these forums do not help, you will need to 1) take or send your iPhone to Apple for replacement, 2) pay to have an unauthorized third-party shop attempt repairs, or 3) attempt repairs yourself. The latter two options will void any further support from Apple.
Regards.

IPhone 4s: Slide wifi is not selectable. Always gray and wifi does not work!

i have Slide wifi is not selectable iPhone 4s. Always gray and wifi does not work.
Help me!

You most likely have a failure of the WiFi chip.
Restore the phone as a new device. If that doesn't solve your problem, you'll have to bring your phone to Apple for replacement. If you are not within the warranty period, expect to pay $199 for out of warranty replacement.

My wifi is not working on my iphone

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